{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949131,-0.314881,0.000000,0.000000,0.175655,-0.529470,0.829944,0.000000,-0.260785,0.786073,0.560428,0.000000,-1665074.360659,5018962.480340,3554298.002663,1],    "boundingVolume": {    "region": [1.891080,0.594808,1.891175,0.594998,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372564.b3dm"}}}